Sulfide - Nomenclature. 1  The systematic names sulfanediide and sulfide (2â), valid IUPAC names, are determined according to the substitutive and additive nomenclatures, respectively.
Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not recognized as Nuclear Weapon States by the Treaty on the Non-Proliferation of Nuclear Weapons, also known as the Nuclear Non-Proliferation Treaty or NPT.
nuclear. 1  of, like or forming a nucleus. 2  of or relating to atomic nuclei: nuclear energy. 3  of, characterized by, or operated by the use of nuclear energy: nuclear weapons. 4  of, having, or involving nuclear weapons: nuclear warfare.